Merge pull request rails#43481 from byroot/native-class-descendants

byroot · web-flow · commit a61bac3dcf50 · 2021-10-27T15:18:04.000+02:00
Use the native `Class#descendants` if available
diff --git a/activesupport/lib/active_support/core_ext/class/subclasses.rb b/activesupport/lib/active_support/core_ext/class/subclasses.rb
@@ -18,7 +18,7 @@ def descendants
     ObjectSpace.each_object(singleton_class).reject do |k|
       k.singleton_class? || k == self
     end
-  end
+  end unless method_defined?(:descendants) # RUBY_VERSION >= "3.1"
 
   # Returns an array with the direct children of +self+.
   #

Original file line number	Diff line number	Diff line change
`@@ -18,7 +18,7 @@ def descendants`
`18`	`18`	`ObjectSpace.each_object(singleton_class).reject do \|k\|`
`19`	`19`	`k.singleton_class? \|\| k == self`
`20`	`20`	`end`
`21`		`- end`
	`21`	`+ end unless method_defined?(:descendants) # RUBY_VERSION >= "3.1"`
`22`	`22`
`23`	`23`	`# Returns an array with the direct children of +self+.`
`24`	`24`	`#`